Who invested in Langfuse?
Langfuse's investors include Y Combinator and Lightspeed Venture Partners.

Germany · Seed startup
Funding summaryUpdated 26 Oct 2026
$4.0Mraised across 1 round since 2023, from 1 source
From Langfuse's own website: 3 founders, 9 on the team.
Langfuse's investors include Y Combinator and Lightspeed Venture Partners.
Langfuse has raised $4.0M across 1 round since 2023.
Langfuse's most recent round was a Seed of $4.0M in Nov 2023.
Its most recent round, $4.0M in Nov 2023, is also its largest on record.
Langfuse's first round on record, in Nov 2023, was backed by Y Combinator and Lightspeed Venture Partners.
Langfuse's latest named round is a Seed, in Nov 2023.
Langfuse is based in Germany.
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